Plaster lathing



Aug. 14, 1923.

Filed Uune 20. 1921 )NVENTOR WERNER Hegel haS/7TTORNEY' areas Aug. 14, 1923.-

STATE Liana-a WERNER HEYD, OF FREILASSING, GERMANY.

PLAS'IER LATHING.

Application filed June 20, 1921. Seria1 No. 478,871.

T 0 all w 710m it may concern:

Be it known that I, WERNER HEYD, citizen of Germany, residing at F reilassing, Bavaria, Germany, have invented certain new and useful Improvements in Plaster Lathings; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable other skilled in the art to which it appert-ains to make and use the same.

This invention relates to plaster lathings, for use more particularly in making ceilings and walls.

In the ordinary plaster lathing for ceilings and walls which are made of woodmats or wood lath structures the wood laths, which are usually rectangular in section lie with one of their sides on the wire support.

The plaster is thus merely retained by adhesion on the outer and side faces of the wood laths. In order to increase this adhesion the laths have been given a different section, for example a trapezoidal form whereby a retention of the plaster is obtained not merely by adhesion to the surfaces of the wood laths but also by obtainin a dovetailed locking between the lath.

ISy forming the laths of trapezoidal sec tion the difficulties and cost of manufacture are substantially increased.

Now this invention has for its object to obtain in similar manner a dove-tailed locking of the plaster bythe laths whilst re- By this means the plaster binding is given a larger surface of contact and more power of resistance to its being loosened, whilst by still retaining the rectangular form of the bars the manufacture i still simple and inexpensive.

The invention is illustratively exemplified in the accompanying drawings in which Fig. 1 is a plan view, and

Fig. 2 is an end view of a part of a woodmat or frame work made according to the present invention. 7

The reference character a indicates the bars of rectangular section each of which rests edgewise on the wire foundation 7) and is attached to the latter in the ordinary way by means of wires 0.

Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is:

A plaster mat comprising in combination, a plurality of square laths disposed parallel to each other and each having one diagonal thereof lying in a common plane which extend parallel to the surface upon which the mat is adapted to be placed, a relatively heavy supporting wire lying in a continuous plane and engaging the outermost edge of each lath whereby the wire is disposed in the tension region of the plaster held by the mat, a lighter wire extending at right angles to the first-mentioned wire on each side of each lath and closely engaging the inner faces of each lath and being out of contact with the remaining faces, the light wire being looped around the heavy wire intermediate the laths to position the laths with relation to each other.

In testimony whereof I hereunto afiix my signature in the presence of two witnesses.

WERNER HEYD.

Witnesses:

PAUL DREY, ANNA N IEDERMAIE. 

